Found 820 villains are destined to die audio webtoon Stories

After learning the hard truth of how her twin sister Dalilah brainwashed and manipulated her mind during thirteen years, turning her into a ruthless assassin who killed hundreds of innocents including her youngest brother and best friend Valerian, twenty-seven-year-old Princess Natasha Nicholai, is executed in front of the Imperial Palace.
Somehow, she gets sent back to the past right before Dalilah started putting her evil string on her mind, to when she was about to turn fourteen, and uses tha...

Second book of 'The Nerd Can Fight' Series
You'll need to read the first book to understand this one
After Adam's memory loss, Cassandra struggled to keep her distance in an attempt to protect the person she loves.
This time, she doesn't have a choice in fighting the dangerous battle anymore. For the sake of the people she loves, she's forced to endanger her own life, fighting her way to the top.
Cassandra survived high school but who was to say that her story ends there. Trouble was...